(S)-3-amino-1-(biphenyl-4-ylmethyl)perhydroazepin-2-one hydrochloride 、 (4S,7R)-7-methoxy-2,2-dimethyl-6-oxotetrahydrofuro[3,2-d]-1,3-dioxan-4-carbaldehyde O-benzyloxime 、
(4S,7R)-7-methoxy-2,2-dimethyl-6-oxotetrahydrofuro[3,2-d]-1,3-dioxan-4-carbaldehyde O-benzyloxime 在
sodium 2-ethylhexanoic acid 作用下,
以
四氢呋喃 为溶剂,
反应 20.0h,
生成 (R)-2-[(4R,5S,6R)-6-(benzyloxyiminomethyl)-5-hydroxy-2,2-dimethyl-1,3-dioxan-4-yl]-N-[(S)-1-(biphenyl-4-ylmethyl)-2-oxoperhydroazepin-3-yl]-2-methoxyacetamide 、 (R)-2-[(4R,5S,6R)-6-(benzyloxyiminomethyl)-5-hydroxy-2,2-dimethyl-1,3-dioxan-4-yl]-N-[(S)-1-(biphenyl-4-ylmethyl)-2-oxoperhydroazepin-3-yl]-2-methoxyacetamide